21840908

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 38953824

約数和(自身を除く): 17112916

約数列:

[1, 2, 4, 97, 181, 194, 311, 362, 388, 622, 724, 1244, 17557, 30167, 35114, 56291, 60334, 70228, 112582, 120668, 225164, 5460227, 10920454, 21840908]

約数ペア:

[(1, 21840908), (2, 10920454), (4, 5460227), (97, 225164), (181, 120668), (194, 112582), (311, 70228), (362, 60334), (388, 56291), (622, 35114), (724, 30167), (1244, 17557)]